| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.72 | -0.04 |
| Feb | 0.80 | 0.78 | 0.02 |
| Mar | 1.49 | 1.50 | -0.01 |
| Apr | 2.68 | 2.68 | 0.00 |
| May | 3.88 | 4.07 | -0.19 |
| Jun | 4.18 | 4.32 | -0.14 |
| Jul | 3.94 | 3.96 | -0.02 |
| Aug | 3.97 | 4.09 | -0.12 |
| Sep | 3.06 | 3.15 | -0.09 |
| Oct | 2.60 | 2.71 | -0.11 |
| Nov | 1.40 | 1.40 | 0.00 |
| Dec | 0.93 | 1.00 | -0.07 |
29.61 | 30.38 | -0.77 |